upstairs

adjective

1. 1

   Located on a higher floor or level of a building.

   We rent out the upstairs bedroom to a student.

2. 2

   informalPertaining to a pitched ball that is high, and usually outside the strike zone.

   That fastball was upstairs for a ball.

adverb

1. 1

   Up the stairs; on or to a higher floor or level.

   I’ll take my shoes and put them away the next time I go upstairs.

   I hate the people who live upstairs, and I especially hate their piano.

   The woman upstairs told the people outside to stop reveling.

   There was more dancing and singing up stairs, more wit and conversation below; all were at liberty, and all stayed late; and all talked so much of the happiness they had enjoyed, that Lady Anne felt herself exceedingly tempted to give another party before the season finally closed.

2. 2

   informalIn the brain or mind.

   After Joe did a hula dance on the kitchen table, his friends wondered if he didn’t have a lot going on upstairs.

   I guess I'm just used to sailors / I think they got water on the brain / I think they got more water upstairs / Than they got sugar on a candy cane

3. 3

   informalIn heaven, especially with regard to where a deity might be found.

noun

1. 1

   An upper storey.

   an upstairs bathroom

2. 2

   slangA woman's breasts.

Forms

comparative

further upstairs, farther upstairs

superlative

furthest upstairs, farthest upstairs